That’s awesome Adam! Should be an awesome project for you guys.
I found a 1970 MGB that I owned in highschool (one of the two non 4wd vehicles I’ve owned in 50 years) in a backyard down the street from where I bought a house a few years ago...

I was trying to figure out whether your wife would have driven the truck/trailer in snow, or the moho. Either way it would make her a special one! Nice to tow with a modern full-size truck. I bet you barely felt the 4Runner back there.

I get the just drive bit, but the 100 feeling cheap comment has me questioning your sanity! My 100 feels better built and is nicer than my LX470 was.
Either way, you have a nice cross section of Toyotas!

Here is a photo of what my buddie is building. It’s not really the same as what you are doing, but what the heck. He’s running the stock 80 gears, but has double t-cases and 40s with a 3.4 swap. It’s hard to see the axle behind the steering...